Home / 181,137.72-249,999.84-105,686.04

Finding the Fourth Proportional to 181,137.72, 249,999.84 and 105,686.04

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Solution

The fourth proportional to 181,137.72, 249,999.84 and 105,686.04 is: 145,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,137.72 : 249,999.84 = 105,686.04 : x
  2. Step 2: Convert to fraction form
    181,137.72/249,999.84 = 105,686.04/x
  3. Step 3: Cross multiply
    181,137.72x = 249,999.84 × 105,686.04
  4. Step 4: Simplify right side
    181,137.72x = 26,421,493,090.23
  5. Step 5: Solve for x
    x = 26,421,493,090.23/181,137.72
  6. Step 6: Final answer
    x = 145,864.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.